FrostDateByZip

Frost dates for 31821Omaha, GA

The average last spring frost in Omaha is March 21 and the average first fall frost is November 11, giving a typical growing season of about 239 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 21

Safer after Apr 7 (1-in-10 risk)

Average first fall frost
Nov 11

Possible by Oct 28 (1-in-10 risk)

Growing season
239 days

First frost typically in 8 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Mar 15 · Apr 2 · Apr 19Oct 19 · Nov 2 · Nov 17213 days100%
Frost / freeze (32°F)Feb 25 · Mar 21 · Apr 7Oct 28 · Nov 11 · Dec 2239 days100%
Hard freeze (28°F)Feb 7 · Mar 3 · Mar 25Nov 5 · Nov 27 · Dec 21268 days100%

Planting calendar for Omaha

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsFeb 18 – Apr 26
TomatoesTransplant outdoorsApr 6 – Jul 22
PeppersStart seeds indoorsFeb 18 – Mar 21
PeppersTransplant outdoorsApr 20 – May 21
EggplantStart seeds indoorsMar 7 – Apr 5
EggplantTransplant outdoorsApr 20 – May 21
CucumbersSow outdoorsApr 20 – Aug 1
Summer squashSow outdoorsApr 6 – May 21
Winter squash & pumpkinsSow outdoorsApr 20 – May 21
Snap beansSow outdoorsApr 6 – Aug 24
Sweet cornSow outdoorsApr 6 – Jul 22
Watermelon & cantaloupeSow outdoorsApr 20 – May 21
OkraSow outdoorsApr 13 – May 6
PeasSow outdoors (spring)Feb 18 – Apr 5
PotatoesPlant outdoors (spring)Feb 18 – Apr 20
OnionsStart seeds indoors (spring)Jan 7 – Feb 3
OnionsTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (spring)Jan 31 – Mar 6
BroccoliTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (fall)Jul 12 – Jul 22
BroccoliTransplant outdoors (fall)Aug 11 – Aug 22
CabbageStart seeds indoors (spring)Jan 21 – Feb 18
CabbageTransplant outdoors (spring)Feb 18 – Mar 21
CabbageStart seeds indoors (fall)Jul 2 – Aug 1
CabbageTransplant outdoors (fall)Aug 1 – Sep 1
Leaf lettuceSow outdoors (spring)Feb 18 – May 6
Leaf lettuceSow outdoors (fall)Aug 1 – Sep 17
SpinachSow outdoors (spring)Feb 11 – Mar 27
SpinachSow outdoors (fall)Aug 18 – Sep 22
RadishesSow outdoors (spring)Feb 18 – Apr 10
RadishesSow outdoors (fall)Aug 1 – Oct 2
KaleSow outdoors (spring)Mar 7 – Mar 27
KaleSow outdoors (fall)Jul 25 – Sep 1
CarrotsSow outdoors (spring)Mar 21 – May 6
CarrotsSow outdoors (fall)Jul 2 – Aug 17
GarlicPlant outdoors (fall)Nov 1 – Dec 2

Where these dates come from

ZIP code 31821 is matched to the NOAA station Eufaula Wildlife Ref, AL, 16.3 km away, at 300 ft elevation (54 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Eufaula Wildlife Ref, AL (used)300 ftMar 21Nov 11
Lumpkin 2 Se, GA485 ftApr 1Nov 4
Weedon Fld Ap, AL285 ftMar 13Nov 17
Georgetown 4 E, GA490 ftMar 15Nov 18

Frost dates near Omaha

Frequently asked questions

When is the last frost in Omaha, GA?
For ZIP code 31821, the average last spring frost (32°F) is March 21, based on NOAA 1991-2020 climate normals for the Eufaula Wildlife Ref, AL weather station. There is a 1-in-10 chance of a frost after April 7.
When is the first frost in Omaha, GA?
The average first fall frost (32°F) is November 11. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
How long is the growing season in 31821?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 239 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.